| 摘要 |
PROBLEM TO BE SOLVED: To provide a processing execution system for performing mediation so that operations of respective users do not compete with one another. SOLUTION: A relay device connected to a processing execution device for executing the processing according to the operation of the users issues an identifier for identifying an image of the operation screen received from the processing execution device. The relay device provides the received operation screen image and the identifier for identifying it to the device on the user side, and receives, from the device on the user side, the information showing the operation of the user and the identifier for identifying the operation screen image. The relay device compares the received identifier with the last issued identifier, and determines whether the received information showing the operation of the user is transmitted to the processing execution device dependently on whether the identifiers matches with each other. COPYRIGHT: (C)2008,JPO&INPIT
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